Red-Eyed Tree Frog

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Red-Eyed Tree Frog

Red-eyed tree frogs like the one seen here on a freesia petal flash their bulging red eyes and reveal their orange feet when startled, a technique that may help to warn off predators. But it’s merely a bluff—despite their vivid coloration, the rain forest dwellers aren’t venomous.

(For more pictures of the amazing colors of our world, buy the National Geographic book Life in Color.)